Afocal optical system and multibeam recording apparatus comprisi

Details Afocal optical system and multibeam recording apparatus comprisi Afocal optical system and multibeam recording apparatus comprisi

1993-05-21

1995-01-17

Nguyen, Viet Q.

Optical: systems and elements

Compound lens system

With curved reflective imaging element

359363, 359365, 359366, 359204, 359 4427, 346108, G02B 1706, G02B 2610

Patent

active

053830520

ABSTRACT:
An afocal optical system is formed by a paraboroid mirror and an optical element having a stereographic projection characteristics which is defined by the following equation:

REFERENCES:
patent: 4623223 (1986-11-01), Kempf
patent: 5173801 (1992-12-01), Cook
patent: 5291329 (1994-03-01), Wakimoto et al.
Bonn, Max and Emil Wolf, Tokai University Publishing Society, "Principles of Optics I", 6.4 Reflecting Telescope, Oct. 25, 1974, pp. 332-333.

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